Physics
Newton’s law of cooling states that the rate at which an object cools is proportional to the difference in temperature between the object and the object’s surroundings. Simply put, a glass of hot water will cool down faster in a cold room than in a hot room. This simple principle is relatively easy to prove, and the experiment has repeatable and reproducible results.
Objective To observe hydrogen’s emission spectrum and to verify that the Bohr model of the hydrogen atom accounts for the line positions…
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Carolina Phenomenon Phenomena-driven science! Phenomena are observable, naturally occurring events that are everywhere and spark student questions and investigations. Ask students to…
If you are looking for an attention-getting demonstration of the gas laws for physical science students at any grade level, this is…
Detecting IR Light with a Smart Phone The sun actually sends out more light than the part we see. Just past visible…
Background Geometric optics explains how optical devices (such as lenses and mirrors) create images by considering that light travels in rays, which…
An Experiment in Circular Motion and Centripetal Acceleration The conical pendulum lab allows students to investigate the physics and mathematics of uniform…
An introduction to Newton’s Law of Gravitation, specetime geometry, and quantum gravity. Gravity The word gravity has many definitions. As defined by…
High school physics courses usually begin with a study of classical mechanics. Early in the course students are introduced to the equations…